As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT AT 8000 FT WINDOW ARCHING OBSERVED ON CAPTAIN€™S SIDE WINDSCREEN, AFTER FOLLOWING QRH PROCEDURE TO TURN OFF WINDOW HEAT CAPTAINS WINDSHIELD CRACKED AND EXPANDED ACROSS WINDSHIELD. ACCOMPLISHED RII ITEMS FOR R1 WINDOW INSTALL IAW AMM 56-11-11/401.